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20308062 = 2329127919
BaseRepresentation
bin100110101111…
…0000001011110
31102012202102110
41031132001132
520144324222
62003134450
7334421115
oct115360136
942182373
1020308062
1110510825
126974426
134290708
1429a8c7c
151bb230c
hex135e05e

20308062 has 32 divisors (see below), whose sum is σ = 42393600. Its totient is φ = 6477408.

The previous prime is 20308061. The next prime is 20308073. The reversal of 20308062 is 26080302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20308061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21639 + ... + 22557.

It is an arithmetic number, because the mean of its divisors is an integer number (1324800).

Almost surely, 220308062 is an apocalyptic number.

20308062 is an abundant number, since it is smaller than the sum of its proper divisors (22085538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20308062 is a wasteful number, since it uses less digits than its factorization.

20308062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20308062 is about 4506.4467155399. The cubic root of 20308062 is about 272.8283481318.

Adding to 20308062 its reverse (26080302), we get a palindrome (46388364).

The spelling of 20308062 in words is "twenty million, three hundred eight thousand, sixty-two".

Divisors: 1 2 3 6 29 58 87 127 174 254 381 762 919 1838 2757 3683 5514 7366 11049 22098 26651 53302 79953 116713 159906 233426 350139 700278 3384677 6769354 10154031 20308062